Patents by Inventor Alan Parris

Alan Parris has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Chair with adjustable legs
    Patent number: 5536068
    Abstract: A chair (10) having adjustable height includes a seat (11) and a number of leg members (12). An adjusting mechanism (30) includes an insert sleeve (40) received within a hollow area (31) of a leg member (12). The insert sleeve (40) has an internal thread (52) which threadably receives a leg extension (60) having an external thread (61). Rotation of the leg extension (60) within the sleeve (40) adjusts the length of the leg member (12).
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: July 16, 1996
    Assignee: Carex, Inc.
    Inventors: Steven Valentor, Alan Parris, Shivaprasad Dhanapal, William Stephens